[server] Rename "graft" to "draw"

forest-cabin/app/Main.hs

@@ -35,8 +35,8 @@ data AppState = AppState
   , asSharedNode    :: Node
   }
 
-graft :: AppState -> Node
-graft = asSharedNode
+draw :: AppState -> Node
+draw = asSharedNode
 
 updateSharedNode :: AppState -> (Node -> Node) -> IO AppState
 updateSharedNode s f = do
@@ -61,8 +61,7 @@ handleEvent s (Delete path) = do
 handleEvent s (Reply path text) = do
   s' <- updateSharedNode s $ appendAt (txtNode "edr" text) path
   pure $ continue s'
-handleEvent s _ = do
-  pure $ continue s
+handleEvent s _ = pure $ continue s
 
 constructor
   :: TChan AppEvent
@@ -81,7 +80,7 @@ main = do
   sharedNodeVar <- newMVar $ txtNode "r" "Sandbox"
   broadcastChan <- atomically newBroadcastTChan
   let app = TreeApp
-            { appGraft = graft
+            { appDraw = draw
             , appHandleEvent = handleEvent
             , appConstructor = constructor broadcastChan sharedNodeVar
             }

forest-server/src/Forest/Server/TreeApp.hs

@@ -39,7 +39,7 @@ data Event e
   | Custom e
 
 data TreeApp s e = TreeApp
-  { appGraft       :: s -> Node
+  { appDraw        :: s -> Node
   , appHandleEvent :: s -> Event e -> IO (Next s)
   , appConstructor :: forall a. (s -> Maybe (TChan e) -> IO a) -> IO a
   }
@@ -93,7 +93,7 @@ runUntilHalt conn app rs = do
   case next of
     Halt -> pure ()
     Continue state' -> do
-      let node' = appGraft app state'
+      let node' = appDraw app state'
       sendNodeUpdate conn (rsNode rs) node'
       runUntilHalt conn app rs{rsState = state', rsNode = node'}
 
@@ -106,7 +106,7 @@ runTreeApp pingDelay app pendingConn = do
       firstPacket <- receivePacket conn
       case firstPacket of
         ClientHello _ -> do
-          let initialNode = appGraft app initialState
+          let initialNode = appDraw app initialState
               rs = RunState chan customChan initialState initialNode
           sendPacket conn $ ServerHello [] initialNode
           withThread (receiveThread conn chan) $ runUntilHalt conn app rs